Lab Literacy for Canadian Doctors
328 Pages
English

Lab Literacy for Canadian Doctors

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Description

Lab Literacy for Canadian Doctors is an affordable and comprehensive pocket guide for choosing appropriate lab tests. It quickly and efficiently improves patient care through better test decisions for clinical situations. This unique resource reduces the risks of: ordering the wrong test, not clearly understanding test results and options, delaying treatments, and making misdiagnoses.
Refer to this essential guide for:
Diagnostic algorithms.
Advice and information on lab errors, false positives and negatives, and blood and tissue collection.
A quick index summarizing the clinical utility of common tests.
Sections on dermatology, ENT and respiratory system, endocrine system, fatigue, GI and hepatic system, gynecology and pregnancy, routine screening, and more.
Protocols for screening tests that follow Canadian guidelines.
Values in both conventional and SI units.

Subjects

Informations

Published by
Published 05 May 2014
Reads 3
EAN13 9781550594928
License: All rights reserved
Language English

Legal information: rental price per page €. This information is given for information only in accordance with current legislation.

Lab Lîteracy or Canadîan Doctors
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Lab Lîteracy or Canadîan Doctors
A guide to ordering the right tests for better patient care
Christopher Naugler, MD, MSc, editor
Copyrîg © 2014 Crîsoper Nauger 14 15 16 17 18 5 4 3 2 1 Excerps rom îs pubîcaîon may be reproduced under îcence rom Access Copyrîg, or wî e express wrîTen permîssîon o Brus Educaîon ïnc., or under îcence rom a coecîve manage-men organîzaîon în your errîory. A rîgs are oerwîse reserved and no par o îs pubîcaîon may be reproduced, sored în a rerîeva sysem, or ransmîTed în any orm or by any means, eecronîc, mecanîc, poocopyîng, dîgîa copyîng, scannîng, recordîng or oerwîse, excep as specîIcay auorîzed. Brus Educaîon ïnc. www.bruseducaîon.ca conac@bruseducaîon.ca Prîned and manuacured în Canada Ebook edîîon avaîabe a Amazon, Kobo, and oer e-reaîers. Library and Archives Canada Cataloguing in PublicationLab îeracy or Canadîan docors: a guîde o orderîng e rîg ess or beTer paîen care / Crîsoper Nauger, MD, MSc., edîor. ïncudes îndexes. ïssued în prîn and eecronîc ormas. ïSBN 978-1-55059-491-1 (pbk.).—ïSBN 978-1-55059-492-8 (epub).—ïSBN 978-1-55059-493-5 (pd ).—ïSBN 978-1-55059-494-2 (mobî) 1. Dîagnosîs, Laboraory—Canada—Handbooks, manuas, ec. ï. Nauger, Crîsoper . (Crîsoper errance), 1967–, edîor o compîaîon ïï. îe. RB38.2.L33 2013 616.07'5 C2013-905642-4 C2013-905643-2 Produced wî e assîsance o e Governmen o Abera, Abera Medîa Fund. We aso acknowedge e Inancîa suppor o e Governmen o Canada roug e Canada Book Fund or our pubîsîng acîvîîes.
L i s t o f i l l u s t r a t i o n s
I n t r o d u c t i o n
D E R M AT O L O G Y Dr. Ethan Flynn
E A R S , N O S E , A N D T H R O AT, A N D R E S P I R AT O R Y S Y S T E M Dr. Christopher Naugler
E N D O C R I N E S Y S T E M Dr. Launny Faulkner
FAT I G U E Dr. Christopher Naugler
Contents
G A S T R O I N T E S T I N A L A N D H E PAT I C S Y S T E M Dr. Ethan Flynn
G E N I T O U R I N A R Y S Y S T E M Dr. Davinder Sidhu
G Y N E C O L O G Y A N D P R E G N A N C Y Dr. Christopher Naugler
H E M AT O L O G Y Dr. Launny Faulkner
I N T O X I C AT I O N A N D T O X I D R O M E S Dr. Leland B. Baskin
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CONTENTS
M U S C U L O S K E L E TA L S Y S T E M Dr. Christopher Naugler
N E U R O P S Y C H I AT R Y Dr. Davinder Sidhu
R O U T I N E S C R E E N I N G Dr. Christopher Naugler
T H E R A P E U T I C D R U G M O N I T O R I N G Dr. Davinder Sidhu
L A B B A S I C S Dr. Christopher Naugler
L A B I N V E S T I G AT I O N S I N D E X Dr. Christopher Naugler and Dr. Leland B. Baskin
A b b r e v i a t i o n s
C o n t r i b u t o r s
I n d e x
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Illustratîons
F I G U R E S algorîthm or adrenal însuîcîency1 Dîagnostîc algorîthm or Cushîng syndrome2 Dîagnostîc algorîthm or polyurîa and polydîpsîa3 Dîagnostîc algorîthm or dîabetes mellîtus4 Dîagnostîc 5 Dîagnostîc algorîthm or dîsorders o thyroîd unctîon 6 Dîagnostîc algorîthm or anemîa wîth low MCV  7 Dîagnostîc algorîthm or anemîa wîth normal MCV  8 Dîagnostîc algorîthm or anemîa wîth hîgh MCV  9 Dîagnostîc algorîthm or deects în prîmary hemostasîs10 Dîagnostîc algorîthm or deects în secondary hemostasîs11 Dîagnostîc algorîthm or unexplaîned thrombosîs or thrombophîlîa algorîthm or lymphadenopathy o12 Dîagnostîc unclear cause 13 Dîagnostîc algorîthm or splenomegaly 14 Dîstrîbutîon graph 15 Probabîlîty o an abnormal result as number o lab tests rîses
TA B L E S o systemîc dîsease causîng prurîtus1 Examples o rash or whîch lab tests may be useul2 Causes  3 Causes o hyperthyroîdîsm  4 Causes o hypothyroîdîsm  5 Common causes o atîgue and nonurgent symptoms related to GI6 Urgent dîsorders
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vîîîILLUSTRATIONS
7 Urînalysîs, normal values values or urîne electrolytes8 Normal  9 Classîîcatîon o anemîa by mechanîsm 10 Classîîcatîon o anemîa by morphology 11 Causes o îron deîcîency anemîa 12 Dîerentîal dîagnosîs o quantîtatîve deects o platelets 13 Rîsk actors or deep veîn thrombosîs and pulmonary embolîsm 14 Causes o regîonal lymphadenopathy o generalîzed lymphadenopathy15 Causes 16 Causes o perîpheral lymphadenopathy 17 Causes o splenomegaly 18 Common causes o whîte blood cell count abnormalîtîes19 Clînîcal eatures o toxîc syndromes20 Alcohol metabolîtes and lab results 21 Predîcted osmolal gaps o toxîc alcohol concentratîons22 Interpretatîon o arterîal blood gas results23 Some commonly ordered laboratory tests în the evaluatîon o muscle and joînt paîn 24 Interpretatîon o ANA patterns 25 Interpretatîon o ENA patterns 26 Causes o syncope27 FINDRISC dîabetes rîsk stratîîcatîon tool 28 BMI chart 29 Framîngham rîsk score: estîmatîon o 10-year cardîovascular dîsease rîsk 30 Suggested PSA cut-o levels 31 Common drug classes that requîre TDM 32 Reerence ranges or common medîcatîons monîtored or therapeutîc dosîng 33 Common clînîcal presentatîons assocîated wîth monîtored therapeutîc agents 34 Order o blood draw
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Introductîon
Why this guide? Fîve years ago, new evîdence abou vîamîn D aered docors o e împacs o vîamîn D deIcîs on paîen ea. hîs drove a meeorîc încrease în vîamîn D esîng în abs across Nor Amerîca. A some cînîcs, vîamîn D esîng became one o e sînge bîgges expenses în e budge or ab servîces.
For a ose ess and a a money, you woud expec a docors were a eas geTîng useu înor-maîon rom e resus. Bu ey weren’.
Vîamîn D eves are no good predîcors o bone ea—or oer ea oucomes or a maTer. Paîens ave dîferen underyîng dîsease suscep-îbîîîes, and, dependîng on suppemens, eîr serum vîamîn D eves go up and down. So, know-îng a paîen’s curren vîamîn D eve as dubîous vaue.
Ampe evîdence, owever, sows e beneIs o vîamîn D suppemens or amos everyone, regard-ess o eîr baseîne vîamîn D eve. hereore, a sraegy o “rea don’ es” makes emînen sense and saves vauabe ea-care resources or esîng a acuay as a cînîca împac.
ïn e seTîng o Inîe ea-care resources, rad-eofs suc as îs—beween cînîca uîîy and coss o esîng—wî become încreasîngy împoran.
As ea pracîîoners, we sare an eîca respon-sîbîîy o provîde good sewardsîp o îmîed
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